ES2402807T3 - Detección de un dispositivo de almacenamiento de datos sin contactos - Google Patents
Detección de un dispositivo de almacenamiento de datos sin contactos Download PDFInfo
- Publication number
- ES2402807T3 ES2402807T3 ES11179401T ES11179401T ES2402807T3 ES 2402807 T3 ES2402807 T3 ES 2402807T3 ES 11179401 T ES11179401 T ES 11179401T ES 11179401 T ES11179401 T ES 11179401T ES 2402807 T3 ES2402807 T3 ES 2402807T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- electromagnetic field
- amplitude
- detection circuit
- increase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000013500 data storage Methods 0.000 title claims abstract description 58
- 230000010355 oscillation Effects 0.000 claims abstract description 85
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 59
- 238000011156 evaluation Methods 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000001939 inductive effect Effects 0.000 claims abstract description 13
- 230000000052 comparative effect Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 22
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000017105 transposition Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 12
- 230000001052 transient effect Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 230000002238 attenuated effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
- G06K7/10128—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH15942010 | 2010-09-30 | ||
| CH15942010 | 2010-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2402807T3 true ES2402807T3 (es) | 2013-05-09 |
Family
ID=43480762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES11179401T Active ES2402807T3 (es) | 2010-09-30 | 2011-08-30 | Detección de un dispositivo de almacenamiento de datos sin contactos |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8907683B2 (sl) |
| EP (1) | EP2437403B1 (sl) |
| CN (1) | CN102542224B (sl) |
| CA (1) | CA2754098C (sl) |
| DK (1) | DK2437403T3 (sl) |
| ES (1) | ES2402807T3 (sl) |
| HK (1) | HK1167758A1 (sl) |
| PL (1) | PL2437403T3 (sl) |
| SI (1) | SI2437403T1 (sl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508477B (zh) * | 2012-09-10 | 2015-11-11 | Mstar Semiconductor Inc | 模式切換模組以及模式切換方法 |
| EP2735994B1 (en) * | 2012-11-27 | 2015-02-18 | ST-Ericsson SA | Near field communication method of detection of a tag presence by a tag reader |
| US10020403B2 (en) * | 2014-05-27 | 2018-07-10 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
| CH709804B1 (de) | 2014-06-23 | 2018-12-28 | Legic Identsystems Ag | Elektronische Zugangskontrollvorrichtung und Zugangskontrollverfahren. |
| CH711351A1 (de) | 2015-07-23 | 2017-01-31 | Legic Identsystems Ag | Elektronische Zugangskontrollvorrichtung und Zugangskontrollverfahren. |
| EP3621047B1 (en) * | 2018-09-06 | 2021-04-28 | Nxp B.V. | System and method for detecting tampering with a product |
| KR102640294B1 (ko) * | 2018-11-27 | 2024-02-22 | 삼성전자주식회사 | Nfc 회로 및 이의 동작 방법 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2833785B1 (fr) * | 2001-12-18 | 2005-06-24 | Inside Technologies | Lecteur de circuit integre sans contact comprenant un mode de veille active a faible consommation electrique |
| ITMI20021685A1 (it) * | 2002-07-29 | 2004-01-29 | Microhard Srl | Dispositivo atto a rilevare la presenza di un circuito risonante di un trasponder nell'intorno del dispositivo stesso e senza contatti |
| ATE529819T1 (de) * | 2004-03-03 | 2011-11-15 | Legic Identsystems Ag | Verfahren zum erkennen von identifikationsmedien |
| JP2007526586A (ja) * | 2004-03-03 | 2007-09-13 | ケイデュシィズ エル エル シィ | インタロゲータ及び同様のものを用いるインタロゲーション・システム |
| EP1769422B1 (de) * | 2004-07-12 | 2009-01-21 | ATMEL Germany GmbH | Modulator und modulationsverfahren für eine einrichtung zur drahtlosen datenübertragung |
| US7633293B2 (en) * | 2006-05-04 | 2009-12-15 | Regents Of The University Of Minnesota | Radio frequency field localization for magnetic resonance |
| US20090214037A1 (en) * | 2008-02-26 | 2009-08-27 | Keystone Technology Solutions, Llc | Methods and Apparatuses to Secure Data Transmission in RFID Systems Against Eavesdropping |
| US20100013639A1 (en) * | 2008-07-21 | 2010-01-21 | Rene Revert | Low power asset position tracking system |
| ES2374407T3 (es) * | 2008-12-17 | 2012-02-16 | Legic Identsystems Ag | Dispositivo para la lectura de datos de un módulo transpondedor. |
| US8144066B2 (en) * | 2009-02-26 | 2012-03-27 | Harris Corporation | Wireless communications including an antenna for wireless power transmission and data communication and associated methods |
-
2011
- 2011-08-30 ES ES11179401T patent/ES2402807T3/es active Active
- 2011-08-30 EP EP11179401A patent/EP2437403B1/en active Active
- 2011-08-30 PL PL11179401T patent/PL2437403T3/pl unknown
- 2011-08-30 DK DK11179401.2T patent/DK2437403T3/da active
- 2011-08-30 SI SI201130022T patent/SI2437403T1/sl unknown
- 2011-09-26 CN CN201110287107.5A patent/CN102542224B/zh active Active
- 2011-09-27 CA CA2754098A patent/CA2754098C/en active Active
- 2011-09-28 US US13/246,995 patent/US8907683B2/en active Active
-
2012
- 2012-08-29 HK HK12108448.7A patent/HK1167758A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US20120081131A1 (en) | 2012-04-05 |
| US8907683B2 (en) | 2014-12-09 |
| CN102542224A (zh) | 2012-07-04 |
| HK1167758A1 (en) | 2012-12-07 |
| CA2754098C (en) | 2017-08-22 |
| CA2754098A1 (en) | 2012-03-30 |
| DK2437403T3 (da) | 2013-05-21 |
| PL2437403T3 (pl) | 2013-08-30 |
| EP2437403A1 (en) | 2012-04-04 |
| EP2437403B1 (en) | 2013-02-20 |
| SI2437403T1 (sl) | 2013-05-31 |
| CN102542224B (zh) | 2015-03-25 |
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